【博文连载】PCIe扫盲——PCIe配置空间寄存器快速定位表
注：这个表格是基于PCIe Spec V2.0的，也就是Gen2的Spec正式版。其中有很多空白的地方，只是在Gen2中没有明确定义，但是在Gen3/Gen4可能会被用到的。具体以Spec为准，
|
Code Name |
Structure Name |
Description |
Location (Spec V2.0) |
|
Header |
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|
N/A |
Type 0 Header |
First 64 bytes of non-bridge function |
p432 |
|
N/A |
Type 1 Header |
First 64 bytes of bridge function |
P434 |
|
PCI Capability Structures (CAP) |
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|
CAP01 |
Power Management Capability Structure |
Power management related regs |
P438 |
|
CAP02 |
AGP Capability Structure |
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CAP03 |
Vital Product Data Capability Structure |
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CAP04 |
Slot Numbering Capability Structure |
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CAP05 |
MSI Capability Structure |
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CAP06 |
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CAP07 |
PCI-X Capability Structure |
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CAP08 |
Hyper Transport Capability Structure |
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CAP09 |
Vendor Specific Capability Structure |
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|
CAP0A |
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CAP0B |
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CAP0C |
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CAP0D |
PCI Bridge Subsystem Vendor ID |
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CAP0E |
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CAP0F |
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CAP10 |
PCI Express Capability Structure |
Access to all PCIe capability and control regs |
p440 |
|
CAP11 |
MSI-X Capability Structure |
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|
CAP12 |
SATA Data/Index Configuration |
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CAP13 |
Advanced Features Capability Structure |
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CAP14 |
Enhanced Allocation Capability Structure |
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|
CAP15 |
Flattening Portal Bridge Capability Stru. |
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|
PCI Express Extended Capability Structures (ECAP) |
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|
0000 |
Null Capability Structure |
Next capability offset |
|
|
0001 |
AER Capability Structure |
Advanced Error Reporting |
p495 |
|
0002 |
Virtual Channel Capability Structure |
Virtual Channel & Traffic Class related regs |
p510 |
|
0003 |
Device Serial Number Capability Stru. |
Provides a globally unique ID for this device |
p525 |
|
0004 |
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|
0005 |
RC Link Declaration Capability Structure |
Declare a RC’s internal topology |
p527 |
|
0006 |
RC Internal Link Control Capability Stru. |
Status and control regs for RC’s internal link |
p535 |
|
0007 |
RC Event Collector Endpoint Association |
p551 |
|
|
0008 |
Multi-Function VC Capability Structure |
MFVC related regs |
p552 |
|
0009 |
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|
000A |
RC Registers Block Header |
RCRB related regs |
p568 |
|
000B |
Vendor-Specific Capability Structure |
Holds vendor-defined information |
p565 |
|
000C |
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|
000D |
Access Control Services Capability Stru. |
ACS related regs |
p545 |
|
000E |
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|
000F |
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|
0010 |
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|
0011 |
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|
0012 |
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|
0013 |
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0014 |
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|
0015 |
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|
0016 |
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|
0017 |
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|
0018 |
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|
0019 |
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|
001A |
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001B |
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|
001C |
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|
001D |
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|
001E |
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|
001F |
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|
0020 |
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|
0021 |
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|
0022 |
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0023 |
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|
0024 |
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|
0025 |
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|
0026 |
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|
0027 |
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|
0028 |
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|
0029 |